nanostructured polymeric materials with protein-repellent and anti-caries properties for dental applications
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ID: 195766
2018
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Abstract
Dental caries is prevalent worldwide. Tooth cavity restorations cost more than $46 billion annually in the United States alone. The current generation of esthetic polymeric restorations have unsatisfactory failure rates. Replacing the failed restorations accounts for 50–70% of all the restorations. This article reviewed developments in producing a new generation of bioactive and therapeutic restorations. This includes: Protein-repellent and anti-caries polymeric dental composites, especially the use of 2-methacryloyloxyethyl phosphorylcholine (MPC) and dimethylaminododecyl methacrylate (DMAHDM); protein-repellent adhesives to greatly reduce biofilm acids; bioactive cements to inhibit tooth lesions; combining protein-repellency with antibacterial nanoparticles of silver; tooth surface coatings containing calcium phosphate nanoparticles for remineralization; therapeutic restorations to suppress periodontal pathogens; and long-term durability of bioactive and therapeutic dental polymers. MPC was chosen due to its strong ability to repel proteins. DMAHDM was selected because it had the most potent antibacterial activity when compared to a series of antibacterial monomers. The new generation of materials possessed potent antibacterial functions against cariogenic and periodontal pathogens, and reduced biofilm colony-forming units by up to 4 logs, provided calcium phosphate ions for remineralization and strengthening of tooth structures, and raised biofilm pH from a cariogenic pH 4.5 to a safe pH 6.5. The new materials achieved a long-term durability that was significantly beyond current commercial control materials. This new generation of bioactive and nanostructured polymers is promising for wide applications to provide therapeutic healing effects and greater longevity for dental restorations.
| Reference Key |
zhang2018nanomaterialsnanostructured
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| Authors | ;Ning Zhang;Ke Zhang;Xianju Xie;Zixiang Dai;Zeqing Zhao;Satoshi Imazato;Yousif A. Al-Dulaijan;Faisal D. Al-Qarni;Michael D. Weir;Mark A. Reynolds;Yuxing Bai;Lin Wang;Hockin H. K. Xu |
| Journal | progress in neuro-psychopharmacology & biological psychiatry |
| Year | 2018 |
| DOI |
10.3390/nano8060393
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| URL | |
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